Checking mechanism for reciprocating operative devices including door closer systems



FIG. 1 is a top plan view of a rocker-washer checking mechanism for reciprocating operative devices including door closer systems showing my new design;

FIG. 2 is a left side elevational view thereof, the right side being a mirror image of that shown;

FIG. 3 is a top, front, and left side perspective view thereof; and,

FIG. 4 is a front elevational view thereof.

A portion of the disclosure of this patent document contains material which is subject to copyright protection. The copyright owner has no objection to the facsimile reproduction by anyone of the patent document or the patent disclosure, as it appears in the Patent and Trademark Office patent file or records, but otherwise reserves the all copyright whatsoever. 

The ornamental design for a checking mechanism for reciprocating operative devices including door closer systems, as shown and described. 